function getElementsByClass( searchClass, domNode, tagName) {
	if (domNode == null) domNode = document;
	if (tagName == null) tagName = '*';
	var el = new Array();
	var tags = domNode.getElementsByTagName(tagName);
	var tcl = " "+searchClass+" ";
	for(i=0,j=0; i<tags.length; i++) {
		var test = " " + tags[i].className + " ";
		if (test.indexOf(tcl) != -1)
			el[j++] = tags[i];
	}
	return el;
}

function viewProduct()
{
    for (i=0;i<=count;i++){        
        if (i==active)
            document.getElementById("container").childNodes.item(i).style.display='block';  //View newProductElement
        else
            document.getElementById("container").childNodes.item(i).style.display='none';   //Hide newProductElement
    }    
}

function newProduct(arrowSide)
{ 
	if (arrowSide==0){	
		if (active>=1) active-=1; else active=count;
		viewProduct()
	}else{
		if (active<count)active+=1; else active=0;
		viewProduct()				
	}
}

var active=0;
var count=getElementsByClass('newProduct').length-1;
var firstView=0;    // İlk görünecek içerik
viewProduct();